STMicroelectronics STD40NF3LLT4 N-Channel MOSFET (30V, 40A, DPAK)
- Brand: STMicroelectronics
- Product Code: STD40NF3LLT4
- Availability: In Stock
$1.60
- Ex Tax: $1.60
High-Performance STripFET™ II MOSFET for Demanding Power Applications
STMicroelectronics' STD40NF3LLT4 represents the second generation of STripFET™ technology, delivering exceptional power efficiency and reliability in automotive and industrial applications. This N-Channel MOSFET combines cutting-edge design with proven performance metrics, making it an ideal component for modern power management systems requiring compact solutions without compromising on operational excellence.
Technical Excellence in Compact Packaging
Housed in a space-saving DPAK (TO-252-3) surface-mount package, this 30V device maintains impressive current handling capabilities with a maximum continuous drain current of 40A at 25°C. The advanced MOSFET structure achieves an industry-leading RDS(on) of just 11mΩ at 10V VGS, significantly reducing conduction losses while maintaining optimal thermal performance. The device's ±16V gate voltage rating ensures robustness in demanding environments, while its 33nC gate charge minimizes switching losses for high-frequency operations.
| Parameter | Value |
|---|---|
| Max Voltage | 30V |
| Continuous Current | 40A |
| On-Resistance | 11mΩ |
| Gate Charge | 33nC |
| Operating Temp | -55°C to +175°C |
Advanced Features for Real-World Applications
Engineered with STMicroelectronics' proprietary technology, the STD40NF3LLT4 offers superior thermal management through its optimized die configuration and package design. The device's 80W power dissipation rating (at Tc) enables reliable operation in high-stress environments, while its 1650pF input capacitance at 25V VDS ensures stable performance across varying loads. The 1V gate threshold voltage (at 250μA) allows compatibility with standard logic-level drivers while maintaining excellent switching characteristics.
This MOSFET excels in automotive systems, industrial power supplies, and consumer electronics where space constraints meet high-power demands. Typical applications include motor control circuits, battery management systems, DC-DC converters, and power switches in embedded systems. The surface-mount design facilitates automated assembly while maintaining excellent thermal coupling through the package's exposed tab.
Proven Reliability in Demanding Environments
With its industrial temperature range (-55°C to +175°C), the STD40NF3LLT4 maintains consistent performance across extreme operating conditions. The device's inherent robustness is further enhanced by STMicroelectronics' rigorous quality assurance processes, ensuring compliance with automotive electronics standards and industrial reliability requirements. The tape-and-reel packaging format simplifies integration into modern production lines while maintaining component protection during storage and transportation.
Compared to conventional MOSFET solutions, this second-generation STripFET device offers significant advantages in both electrical performance and physical design. Its combination of low on-resistance, fast switching characteristics, and compact footprint makes it particularly suitable for applications requiring high current density in limited board space. The device's 4.5V/10V drive voltage compatibility ensures flexibility in gate driver selection while maintaining optimal performance across different operating conditions.
Tags: Power MOSFET, Automotive Electronics, Surface Mount Transistor, High Current Switching